Home / 18,282.78-25,206.74-14,996.42

Finding the Fourth Proportional to 18,282.78, 25,206.74 and 14,996.42

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Solution

The fourth proportional to 18,282.78, 25,206.74 and 14,996.42 is: 20,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.78 : 25,206.74 = 14,996.42 : x
  2. Step 2: Convert to fraction form
    18,282.78/25,206.74 = 14,996.42/x
  3. Step 3: Cross multiply
    18,282.78x = 25,206.74 × 14,996.42
  4. Step 4: Simplify right side
    18,282.78x = 378,010,859.87
  5. Step 5: Solve for x
    x = 378,010,859.87/18,282.78
  6. Step 6: Final answer
    x = 20,675.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.